com.hazelcast.org.apache.calcite.linq4j.tree.NewArrayExpression Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to you under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hazelcast.org.apache.calcite.linq4j.tree;
import com.hazelcast.org.checkerframework.checker.nullness.qual.Nullable;
import java.lang.reflect.Type;
import java.util.List;
import java.util.Objects;
/**
* Represents creating a new array and possibly initializing the elements of the
* new array.
*/
public class NewArrayExpression extends Expression {
public final int dimension;
public final @Nullable Expression bound;
public final @Nullable List expressions;
/** Cached hash code for the expression. */
private int hash;
public NewArrayExpression(Type type, int dimension, @Nullable Expression bound,
@Nullable List expressions) {
super(ExpressionType.NewArrayInit, Types.arrayType(type, dimension));
this.dimension = dimension;
this.bound = bound;
this.expressions = expressions;
}
@Override public Expression accept(Shuttle shuttle) {
shuttle = shuttle.preVisit(this);
List expressions =
this.expressions == null
? null
: Expressions.acceptExpressions(this.expressions, shuttle);
Expression bound =
this.bound == null
? null
: this.bound.accept(shuttle);
return shuttle.visit(this, dimension, bound, expressions);
}
@Override public R accept(Visitor visitor) {
return visitor.visit(this);
}
@Override void accept(ExpressionWriter writer, int lprec, int rprec) {
writer.append("new ").append(Types.getComponentTypeN(type));
for (int i = 0; i < dimension; i++) {
if (i == 0 && bound != null) {
writer.append('[').append(bound).append(']');
} else {
writer.append("[]");
}
}
if (expressions != null) {
writer.list(" {\n", ",\n", "}", expressions);
}
}
@Override public boolean equals(@Nullable Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
if (!super.equals(o)) {
return false;
}
NewArrayExpression that = (NewArrayExpression) o;
if (dimension != that.dimension) {
return false;
}
if (bound != null ? !bound.equals(that.bound) : that.bound != null) {
return false;
}
if (expressions != null ? !expressions.equals(that.expressions) : that
.expressions != null) {
return false;
}
return true;
}
@Override public int hashCode() {
int result = hash;
if (result == 0) {
result = Objects.hash(nodeType, type, dimension, bound, expressions);
if (result == 0) {
result = 1;
}
hash = result;
}
return result;
}
}
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